Nonlinear metasurface combining telecom-range intersubband transitions in GaN/AlN quantum wells with resonant plasmonic antenna arrays
J. Mundry, F. Spreyer, V. Jmerik, S. Ivanov, T. Zentgraf, M. Betz, Optical Materials Express 11 (2021).

Recent progress on metasurfaces: applications and fabrication
G. Yoon, T. Tanaka, T. Zentgraf, J. Rho, Journal of Physics D: Applied Physics 54 (2021).

Dielectric travelling wave antennas for directional light emission
T. Leuteritz, H. Farheen, S. Qiao, F. Spreyer, C. Schlickriede, T. Zentgraf, V. Myroshnychenko, J. Förstner, S. Linden, Optics Express 29 (2021).

Observing 0D subwavelength-localized modes at ~100 THz protected by weak topology
J. Lu, K.G. Wirth, W. Gao, A. Heßler, B. Sain, T. Taubner, T. Zentgraf, Science Advances 7 (2021).

A wavelength and polarization selective photon sieve for holographic applications
D. Frese, B. Sain, H. Zhou, Y. Wang, L. Huang, T. Zentgraf, Nanophotonics 10 (2021) 4543–4550.

Effects of coherence on temporal resolution
S. De, J. Gil López, B. Brecht, C. Silberhorn, L.L. Sánchez-Soto, Z. Hradil, J. ehádek, Physical Review Research 3 (2021).

Achieving the Ultimate Quantum Timing Resolution
V. Ansari, B. Brecht, J. Gil-Lopez, J.M. Donohue, J. ehádek, Z. Hradil, L.L. Sánchez-Soto, C. Silberhorn, PRX Quantum 2 (2021).

Continuous variable multimode quantum states via symmetric group velocity matching
V. Roman-Rodriguez, B. Brecht, K. Srinivasan, C. Silberhorn, N. Treps, E. Diamanti, V. Parigi, New Journal of Physics 23 (2021).

Production of waveguides made of materials from the KTP family
L. Padberg, C. Eigner, M. Santandrea, C. Silberhorn, (2021).

Multimode integrated SU(1,1) interferometer
A. Ferreri, M. Santandrea, M. Stefszky, K.H. Luo, H. Herrmann, C. Silberhorn, P. Sharapova, in: Conference on Lasers and Electro-Optics, Optica Publishing Group, 2021.

The potential and global outlook of integrated photonics for quantum technologies
E. Pelucchi, G. Fagas, I. Aharonovich, D. Englund, E. Figueroa, Q. Gong, H. Hannes, J. Liu, C.-Y. Lu, N. Matsuda, J.-W. Pan, F. Schreck, F. Sciarrino, C. Silberhorn, J. Wang, K. Jöns, Nature Reviews Physics 4 (2021) 194–208.

Improved non-linear devices for quantum applications
J. Gil López, M. Santandrea, G. Roland, B. Brecht, C. Eigner, R. Ricken, V. Quiring, C. Silberhorn, New Journal of Physics (2021).

Universal compressive tomography in the time-frequency domain
J. Gil López, Y.S. Teo, S. De, B. Brecht, H. Jeong, C. Silberhorn, L.L. Sánchez-Soto, Optica (2021).

Quantum optical coherence: From linear to nonlinear interferometers
K.H. Luo, M. Santandrea, M. Stefszky, J. Sperling, M. Massaro, A. Ferreri, P. Sharapova, H. Herrmann, C. Silberhorn, Physical Review A (2021).

Probing the topological Anderson transition with quantum walks
D. Bagrets, K.W. Kim, S. Barkhofen, S. De, J. Sperling, C. Silberhorn, A. Altland, T. Micklitz, Physical Review Research (2021).

Transient subdiffusion via disordered quantum walks
A. Geraldi, S. De, A. Laneve, S. Barkhofen, J. Sperling, P. Mataloni, C. Silberhorn, Physical Review Research (2021).

Statistical Benchmarking of Scalable Photonic Quantum Systems
J. Tiedau, M. Engelkemeier, B. Brecht, J. Sperling, C. Silberhorn, Physical Review Letters 126 (2021).

Experimental entanglement characterization of two-rebit states
N. Prasannan, S. De, S. Barkhofen, B. Brecht, C. Silberhorn, J. Sperling, Physical Review A 103 (2021).

Generating two-mode squeezing with multimode measurement-induced nonlinearity
M. Riabinin, P. Sharapova, T. Bartley, T. Meier, Journal of Physics Communications 5 (2021).

Non-Invasive Visualization of Ferroelectric Domain Structures on the Non-Polar y-Surface of KTiOPO4 via Raman Imaging
J. Brockmeier, P.W.M. Mackwitz, M. Rüsing, C. Eigner, L. Padberg, M. Santandrea, C. Silberhorn, A. Zrenner, G. Berth, Crystals (2021).